oversea seller???

Dear customer
before you write in because of "faulty" product
please know that you have to remove
the plastic wrapping of the battery,
in order to work.
THANK YOU

come with complete set battery

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vistor chime
walk in alarm with remote control
with 15 different tone and adjustable volume
(remote control is very important for this item,you can simply off it when customer stand
at the sensor area or your customer will go away)